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Certification Program The On-Road Certification/Audit Section is responsible for the certification and production audit of new passenger cars (PC), light-duty trucks (LDT), medium-duty vehicles (MDV), heavy-duty engines (HDE) and vehicles (HDV) including urban buses (UB), on- and off-road motorcycles (ONMC and OFMC), all-terrain vehicles (ATV), and electric golf carts (eGC). |
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Environmental Performance Label The label is intended to help consumers compare the smog forming emissions from different vehciles within that model year. |
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Low Emission Vehicle Program The Low Emission Vehicle Program area of the website includes all recent information on the Low Emission Vehicle Program, including the LEV II amendments. |
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On-Board Diagnostics (OBD) Program On-Board Diagnostic (OBD) systems are incorporated into the computers on-board new vehicles to monitor components and systems that affect emissions when malfunctioning. |
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On-Road Heavy-Duty Vehicle Program Emissions from on-road heavy-duty vehicles are major contributors to poor air quality in California, in amounts highly disproportionate to the numbers of these vehicles. |
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On-Road Motorcycle Regulation Along with other motor vehicles, the ARB has identified on-road motorcycles as a potential source of air pollution which can be reduced cost effectively. |
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On-Road Trucks (In-Use) Control Measure The Air Resources Board (ARB) is developing a control measure to reduce diesel particulate matter (PM) emissions from heavy-duty diesel powered trucks operated in California. |
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Zero-Emission Vehicle Program ARB is committed to the successful introduction of Zero Emission Vehicles such as battery and fuel cell electric vehicles and is taking steps to ensure the market is ready. |